21514524532104 has 32 divisors (see below), whose sum is σ = 54262296393120. Its totient is φ = 7108043502336.

The previous prime is 21514524532063. The next prime is 21514524532153. The reversal of 21514524532104 is 40123542541512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3966539422 + ... + 3966544845.

It is an arithmetic number, because the mean of its divisors is an integer number (1695696762285).

Almost surely, 2^{21514524532104} is an apocalyptic number.

21514524532104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

21514524532104 is an abundant number, since it is smaller than the sum of its proper divisors (32747771861016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21514524532104 is a wasteful number, since it uses less digits than its factorization.

21514524532104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7933084389 (or 7933084385 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 39.

The spelling of 21514524532104 in words is "twenty-one trillion, five hundred fourteen billion, five hundred twenty-four million, five hundred thirty-two thousand, one hundred four".